Use JUnit in Java transient-0 example

5 files changed, 32 insertions, 12 deletions

diff --git a/examples/10-transient-0/hobgoblin.json5 b/examples/10-transient-0/hobgoblin.json5
index f3e455d..ee08699 100644
--- a/examples/10-transient-0/hobgoblin.json5
+++ b/examples/10-transient-0/hobgoblin.json5
@@ -8,11 +8,11 @@
     generators: [
       {
         generator: "java-types",
-        path: "output/java/src/gen/java",
+        path: "output/java-junit/src/gen/java",
       },
       {
         generator: "java-transient-0",
-        path: "output/java/src/gen/java",
+        path: "output/java-junit/src/gen/java",
       },
     ],
   }
diff --git a/examples/10-transient-0/output/java/.gitignore b/examples/10-transient-0/output/java-junit/.gitignore
index ff511d4..ff511d4 100644
--- a/examples/10-transient-0/output/java/.gitignore
+++ b/examples/10-transient-0/output/java-junit/.gitignore
diff --git a/examples/10-transient-0/output/java/pom.xml b/examples/10-transient-0/output/java-junit/pom.xml
index 7f892e1..88ef3e5 100644
--- a/examples/10-transient-0/output/java/pom.xml
+++ b/examples/10-transient-0/output/java-junit/pom.xml
@@ -11,15 +11,31 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.compiler.source>25</maven.compiler.source>
     <maven.compiler.target>25</maven.compiler.target>
-    <exec.mainClass>org.zwobble.example.Main</exec.mainClass>
   </properties>
 
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>org.junit</groupId>
+        <artifactId>junit-bom</artifactId>
+        <version>5.9.3</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+
   <dependencies>
     <dependency>
       <groupId>org.zwobble.precisely</groupId>
       <artifactId>precisely</artifactId>
       <version>0.1.5</version>
     </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/examples/10-transient-0/output/java/src/main/java/org/zwobble/example/Main.java b/examples/10-transient-0/output/java-junit/src/test/java/org/zwobble/example/Transient0Tests.java
index 155b2a0..4959a5c 100644
--- a/examples/10-transient-0/output/java/src/main/java/org/zwobble/example/Main.java
+++ b/examples/10-transient-0/output/java-junit/src/test/java/org/zwobble/example/Transient0Tests.java
@@ -2,11 +2,15 @@ package org.zwobble.example;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
 import org.zwobble.example.types.point.Point;
 import org.zwobble.example.types.point.HobgoblinTransient0Point;
 
-public class Main {
-    public static void main() throws java.io.IOException {
+public class Transient0Tests {
+    @Test
+    public void structWithInt32() throws IOException {
         var point = new Point(10, 25);
 
         var outputStream = new ByteArrayOutputStream();
@@ -16,12 +20,6 @@ public class Main {
         var inputStream = new ByteArrayInputStream(bytes);
         var decodedPoint = HobgoblinTransient0Point.decode(inputStream);
 
-        if (!point.equals(decodedPoint)) {
-            throw new RuntimeException(String.format(
-                "encode-decode did not produce identical data\nexpected: %s\nbut was: %s",
-                point,
-                decodedPoint
-            ));
-        }
+        Assertions.assertEquals(point, decodedPoint);
     }
 }
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java
index 80c2fbd..46b35e4 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/ExampleTests.java
@@ -27,6 +27,7 @@ public class ExampleTests {
         HobgoblinCompiler.compile(exampleSet.path());
 
         verifyJavaOutput(exampleSet);
+        verifyJavaJunitOutput(exampleSet);
         verifyRustOutput(exampleSet);
     }
 
@@ -34,6 +35,11 @@ public class ExampleTests {
         verifyOutput(exampleSet, "java", List.of("mvn", "compile", "exec:java"));
     }
 
+    private void verifyJavaJunitOutput(ExampleSet exampleSet) throws NoSuchAlgorithmException, IOException, InterruptedException {
+        // TODO: allow example to declare its structure
+        verifyOutput(exampleSet, "java-junit", List.of("mvn", "test"));
+    }
+
     private void verifyRustOutput(ExampleSet exampleSet) throws NoSuchAlgorithmException, IOException, InterruptedException {
         verifyOutput(exampleSet, "rust", List.of("cargo", "run"));
     }